v3.26.1
Other Intangible Assets and Goodwill (Finite-Lived Intangible Assets) (Details) - USD ($)
$ in Millions
Mar. 29, 2026
Sep. 28, 2025
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount $ 500.9 $ 1,246.2
Accumulated amortization (404.4) (1,158.9)
Total estimated future amortization expense 96.5 87.3
Acquired and reacquired rights (1)    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 312.3 1,053.9
Accumulated amortization (235.2) (974.9)
Total estimated future amortization expense 77.1 79.0
Acquired trade secrets and processes    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 27.6 27.6
Accumulated amortization (27.6) (27.6)
Total estimated future amortization expense 0.0 0.0
Trade names, trademarks and patents    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 130.2 131.2
Accumulated amortization (123.9) (122.9)
Total estimated future amortization expense 6.3 8.3
Licensing agreements    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 12.2 13.0
Accumulated amortization (12.2) (13.0)
Total estimated future amortization expense 0.0 0.0
Other finite-lived intangible assets    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 18.6 20.5
Accumulated amortization (5.5) (20.5)
Total estimated future amortization expense $ 13.1 $ 0.0